package Reflection;

import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;

public class Test08 {
    public static void main(String[] args) throws ClassNotFoundException, NoSuchFieldException, NoSuchMethodException {
        Class c1 = Class.forName("Reflection.User");

        //获得类的名字
        System.out.println(c1.getName()); //获得包名 + 类名
        System.out.println(c1.getSimpleName()); //获得类名
        //获得类的属性

        System.out.println("=================");
        Field[] fields = c1.getFields();  //只能找到public属性
        fields = c1.getDeclaredFields(); //找到全部属性 ,包括私有属性
        for (Field field:fields){
            System.out.println(field);
        }

        Field name = c1.getDeclaredField("name");
        System.out.println(name);
        //获得类的方法
        System.out.println("============================");
        Method[] methods = c1.getMethods();  //获得本类及其父类的全部public方法
        for (Method method:methods){
            System.out.println("正常的:"+method);
        }
        methods = c1.getDeclaredMethods(); //获得本类的所有方法，包括私有方法
        System.out.println("===========================");
        for (Method method:methods){
            System.out.println("getdeclareMethods ："+method);
        }
        System.out.println("===========================");
        //获得指定方法
        Method getName = c1.getMethod("getName", null); //重载
        Method getName1 = c1.getMethod("setName", String.class);
        System.out.println(getName);
        System.out.println(getName1);
        //获得全部的构造器
        System.out.println("==========================");
        Constructor[] constructors = c1.getConstructors();
        for (Constructor constructor:constructors){
            System.out.println("constructor:"+constructor);
        }
        System.out.println("============================");
        Constructor[] declaredConstructors = c1.getDeclaredConstructors();
        for (Constructor constructor:constructors){
            System.out.println("declaredConstructors:"+constructor);
        }
        //获得指定的构造器

        Constructor declaredConstructor = c1.getConstructor(String.class,int.class,int.class);
        System.out.println("指定declaredConstructors:"+declaredConstructor);


    }
}
